In the COVID-19 group, NFKB1/2, JUN, and TNF were modularized in CD8+ T and NK cells (G6 and G7 in Fig. 2D), and IL1B, NFKBID, and OSM were modularized in all types of monocytes and DCs (G3 in Fig. 2D). Here, CD8A is linked to COVID-19.